You find out about how N is doing
in the p2 lab
you cant find him he is in an unspecified region
you cant find him he is in an unspecified region
you can't
you can find one of them down the steps in the dreamyard.
You dont you just need to beat the elite four first thats how I did it.
Zekrom is exclusive to Pokemon White, you will need to trade it.
you completed the game. now roam around trying to finish the pokedex.
you have to try and complete the national pokedex and if you complete the national pokedex you can restart the game.
Relic Castle,Chargestone Cave,Dreamyard,Check Youtube for the rest
He pops up out of no where and tells you news about N then leaves.
many have tried but he is in another region after he released zekrom/rehiram hes gone